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Finding the Fourth Proportional to 5,647.02, 8,472.42 and 2,724.99

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Solution

The fourth proportional to 5,647.02, 8,472.42 and 2,724.99 is: 4,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.02 : 8,472.42 = 2,724.99 : x
  2. Step 2: Convert to fraction form
    5,647.02/8,472.42 = 2,724.99/x
  3. Step 3: Cross multiply
    5,647.02x = 8,472.42 × 2,724.99
  4. Step 4: Simplify right side
    5,647.02x = 23,087,259.78
  5. Step 5: Solve for x
    x = 23,087,259.78/5,647.02
  6. Step 6: Final answer
    x = 4,088.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.